Ionia Weather Forecast

    • -1
    • 15

    Snow Showers Likely

    • 1
    • 9

    Slight Chance Snow Showers

    • 5
    • 14

    Chance Snow Showers

    • 8
    • 15

    Mostly Cloudy

    • 14
    • 25

    Mostly Cloudy

    • 12
    • 26

    Mostly Cloudy

Today 29 Jan Ontario

Partly sunny Early, then a chance of snow Showers late this morning. Mostly cloudy with lake effect snow Showers likely this afternoon. Accumulation up to 2 Inches in the most persistent Snows. Cold with Highs Ranging from around 10 above on the Hilltops to 15 to 20 across the lower Elevations. West Winds 10 to 15 Mph. Chance of snow 70 percent.

Tonight 29 Jan Ontario

Snow Showers likely. Additional accumulation an inch or less. Cold with Lows Ranging from 5 below to 10 below zero on the Hilltops to zero to 5 below across the lower Elevations. West Winds 5 to 10 Mph. Chance of snow 70 percent. Wind chill Values as low as 20 below.

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Ionia Temperature Statistics

January Temperature

Rochester, Greater Rochester International Airport (15.5 miles)

  • Lowest 24 January, 2026

    -5.1 °F

  • Average January

    26.2 °F

  • Highest 9 January, 2026

    58.6 °F

Climate (2021–Present)

Rochester, Greater Rochester International Airport (15.5 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.5 °F
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